OTHER CONSISTENCY MODELS
Models of memory consistency can be divided into uniform models, which do not distinguish between types of memory access, and hybrid models, which do distinguish between ordinary and synchronization accesses…
Ship’s Boiler Steam Supply for Accommodation and Deck Equipment
Ships boiler steam supply for accommodation and deck equipment must be reduced in pressure before use. It is then used in the accommodation for heating and, by the galley for…
Overlay case studies: Pastry, Tapestry
The prefix routing approach is adopted by both Pastry and Tapestry. Pastry is the message routing infrastructure deployed in several applications including PAST , an archival (immutable) file storage system…
Peer to Peer Computing
The peer to peer computing architecture contains nodes that are equal participants in data sharing. All the tasks are equally divided between all the nodes. The nodes interact with each…
Marine Boiler Auxiliaries, Fixtures and Fittings
Marine boilers auxiliaries include the boiler control system, forced draught fans, de-superheater, fuel oil pumps, heaters and filters, exhaust gas air and feedwater heaters. Fixtures and fittings consist of steam…
Comparison between Checkpoint Schemes
Table 1. Comparison between uncoordinated, coordinated and qusi-synchronoun checkpointing Coordinated checkpointing algorithms are made up by using the following scheme: • All process checkpointing: This requires all processes in the…
Treatment of Marine Main Diesel Engine Fuel and Lube Oils
Ships marine diesel engines run on heavy fuel oil (HFO) nowadays a low sulfur content, or marine diesel oil (MDO)The lube-oil coats the revolving and reciprocating components dissipating the heat…
ROLLBACK RECOVERY MECHANISM
Log-Based rollback Recovery Mechanism Checkpoint-Based Rollback Recovery Mechanism In checkpointing based rollback recovery is a well-established technique to deal with process failures and increase the system reliability and fault-tolerance in…
